Topic
Color-glass condensate
About: Color-glass condensate is a research topic. Over the lifetime, 885 publications have been published within this topic receiving 35169 citations.
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TL;DR: In this article, the color glass condensate model was used to evaluate quark and gluon generalized parton distributions and the cross section of deeply virtual Compton scattering (DVCS) in the small-xB region.
Abstract: Within the framework of the color glass condensate model, we evaluate quark and gluon generalized parton distributions (GPDs) and the cross section of deeply virtual Compton scattering (DVCS) in the small-xB region. We demonstrate that the DVCS cross section becomes independent of energy in the limit of very small xB, which clearly indicates saturation of the DVCS cross section. Our predictions for the GPDs and the DVCS cross section at high energies can be tested at the future Electron–Ion Collider and in ultra-peripheral nucleus–nucleus collisions at the LHC.
7 citations
CERN1
TL;DR: In this paper, the authors discuss the evidence for the presence of QCD saturation effects in the data collected in d+Au collisions at RHIC and focus their analysis on forward hadron yields and azimuthal correlations.
7 citations
TL;DR: In this article, the authors argue that large fluctuations in the saturation momentum are necessary to explain the ATLAS and ALICE data on p A collisions measured at the LHC, and they find a remarkably good agreement between theory and the measured distributions.
7 citations
TL;DR: In this article, the pseudo-rapidity distribution of hadron multiplicities of high energy Pb+Pb collisions was studied using color glass condensate dynamics at LHC/ALICE in the fixed coupling case.
Abstract: We study the pseudo-rapidity distribution of hadron multiplicities of high energy Pb+Pb collisions by using color glass condensate dynamics at LHC/ALICE in the fixed coupling case. It is found that after including the pomeron loop effects the charged hadron multiplicities at central rapidity are about 1500 for central Pb+Pb collisions, which are significantly smaller than the saturation based calculations, ~ 1700 ÷ 2500 and compatible with that based on a study of multiplicities in the fragmentation region.
7 citations
TL;DR: In this article, the decoherence time of the ground state wave function of a nucleus in a high energy heavy ion collision was calculated and it was shown that this time is smaller or equal to 1/Q{sub s, where the saturation scale is defined within the color glass condensate model of parton saturation.
Abstract: We calculate the decoherence time of the ground state wave function of a nucleus in a high energy heavy ion collision. We define this time as the decay time of the ratio Tr D{sup 2}/(Tr D){sup 2} of traces of the density matrix D. We find that this time is smaller or equal to 1/Q{sub s}, where the saturation scale Q{sub s} is defined within the color glass condensate model of parton saturation. Our result supports the notion that the extremely rapid entropy production deduced for the early stage of heavy ion collisions at collider energies is to a large extent caused by the decoherence of the initial-state wave functions.
6 citations